by Konrad H. Soergel
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Diarrhea in disorders of intestinal tran...
Endoscopy and biopsy of esophagus, stoma...
Sleisenger & Fordtran's gastrointestinal...
Pathological and practical researches on...
Guts
Gurgles and Growls, Learning About Your ...
The diseases of the stomach
Our stomachs